Methods of and apparatus for transferring articles between carri

Details Methods of and apparatus for transferring articles between carri Methods of and apparatus for transferring articles between carri

1981-08-31

1984-02-14

Stoner, Jr., Bruce H.

Material or article handling

Device for emptying portable receptacle

For emptying contents thereof into portable receiving means

414786, B65G 6504, B65G 6530

Patent

active

044313616

ABSTRACT:
Articles, such as fragile, delicate semiconductor wafers, in a first carrier member are caused to pass nearly, but not quite wholly, into a second carrier member by being pushed--against gravity--thereinto. The carrier members are then subjected to a displacement, e.g. by inversion, and said articles are allowed to drop wholly into said second carrier member. The further distance travelled by the articles after rotational displacement of a housing retaining the carrier members is very small, e.g. about 2 mm.

REFERENCES:
patent: 2386076 (1945-10-01), Taylor et al.
patent: 2856089 (1958-10-01), Lennon
patent: 3501825 (1970-03-01), Alexander
patent: 3949891 (1976-04-01), Butler et al.
patent: 4311427 (1982-01-01), Coad et al.
patent: 4344730 (1982-08-01), Dvorak

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